Table 1 Comparative studies on permittivity of nematic LCs doped with metal oxide nanoparticles14,15,16,17,18,19,20,21,22.
Study | Nanoparticle | LC Host | Parameters/conditions | Effect on ε | Effect on Δε |
|---|---|---|---|---|---|
Enhancement of dielectric and conductive properties of Mn2O3 nanoparticles in liquid crystal under argon radio frequency plasma (This work) | Mn2O3 Plasma treated (2–14 min) | ML-0648 | Plasma treatment time (2 min) | ε increases with plasma treatment | Δε significantly enhanced (max at 2 min plasma) |
Effect of γ-Fe2O3 nanoparticles on morphological, electro-optical and dielectric properties | γ-Fe2O3 (0-0.05 wt%) | 6CHBT | Concentration | ε increases | Δε increases, improving electro-optical properties |
Dielectric and electrical properties of nematic LC-6CB doped with γ-Fe2O3 | γ-Fe2O3 | 6CB | Concentration Cell gap | Ε strongly dependent on cell thickness | – |
Semiconducting CuO nanoparticles in nematic 5CB | CuO | 5CB | Concentration | ε decreases | Δε decreases |
TiO2, ZnO and MB doping in 8CB nematic | TiO2, ZnO | 8CB | Concentration | ε increases | Δε increases |
Ferric Oxide (Fe2O3) in 8OCB nematic for displays | Fe2O3 (0-1wt%) | 8CB | Concentration | ε increases | Δε increases |
MgO nanoparticles in nematic LC | MgO (0-0.6 wt%) | 5CB | Concentration | ε increases | Δε Variable |
